/Engine/Source/Runtime/Engine/Public/WorldPartition/WorldPartition.h
typedef [TFunction](API\Runtime\Core\GenericPlatform\TFunction)< [IStreamingGenerationErrorHandler](API\Runtime\Engine\WorldPartition\ErrorHandling\IStreamingGenerationErrorHandler) *([IStreamingGenerationErrorHandler](API\Runtime\Engine\WorldPartition\ErrorHandling\IStreamingGenerationErrorHandler) *InErrorHandler)> FStreamingGenerationErrorHandlerOverride